/* ============================================================ * QupZilla - Qt web browser * Copyright (C) 2017 David Rosca * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * ============================================================ */ #ifndef WHEELHELPER_H #define WHEELHELPER_H #include #include "qzcommon.h" class QWheelEvent; class QUPZILLA_EXPORT WheelHelper { public: enum Direction { None = 0, WheelUp, WheelDown, WheelLeft, WheelRight }; explicit WheelHelper(); void reset(); void processEvent(QWheelEvent *event); Direction takeDirection(); private: int m_wheelDelta = 0; QQueue m_directions; }; #endif // WHEELHELPER_H